E-Invoicing in Belgium
Belgium mandates B2B e-invoicing for all VAT-registered businesses from January 2026 using Peppol BIS 3.0 format.
B2G (Business to Government)
Mandatory
Effective: April 1, 2019
Electronic invoicing requirements for transactions with government entities and public sector organizations.
B2B (Business to Business)
Mandatory
Effective: January 1, 2026
Electronic invoicing requirements for transactions between private businesses and commercial entities.
Supported Formats
Peppol BIS 3.0UBLEN 16931
Additional Notes
Strong adoption of Peppol network. Mercurius platform for B2G.
Open Banking + E-Invoicing in Belgium
Combining e-invoicing with Open Banking creates powerful automation opportunities. Open Banking APIs enable real-time bank transaction access for automated invoice reconciliation, while Payment Initiation Services (PIS) allow instant payments directly from e-invoices.
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Auto-Reconciliation
Match bank transactions with e-invoices automatically
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Instant Payments
Pay invoices with one click via PIS
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Cash Flow Visibility
Combine invoice & bank data for forecasting
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